– 1 –
Model Name Using Similar Mechanism
CDX-C5750/C5850
CD Drive Mechanism Type
MG-363T-121
Optical Pick-up Name
KSS-521A
SERVICE MANUAL
US Model
Canadian Model
CDX-C6750
E Model
CDX-C7500
CDX-C6750/C7500
FM/AM COMPACT DISC PLAYER
AUDIO POWER SPECIFICATIONS (US, Canadian Model)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
17 watts per channel minimum continuous average power into
4 ohms, 4 channels driven from 20 Hz to 20 kHz with no more
than 1% total harmonic distortion.
Other Specifications
CD player section
System
Compact disc digital audio
system
Signal-to-noise ratio
90 dB
Frequency response
10 – 20,000 Hz
Wow and flutter
Below measurable limit
Laser Diode Properties
Material
GaAlAs
Wavelength
780 nm
Emission Duration
Continuous
Laser output power
Less than 44.6
µ
W*
* This output is the value measured at a distance
of 200 mm from the objective lens surface on the
Optical Pick-up Block.
US, Canadian model:
87.5 – 107.9 MHz
E model:
FM tuning interval:
50 kHz/200 kHz switchable
87.5 – 108.0 MHz
(at 50 kHz step)
87.5 – 107.9 MHz
(at 200 kHz step)
Intermediate frequency 10.7 MHz
Usable sensitivity
Signal-to-noise ratio
65 dB (stereo),
68 dB (mono)
Harmonic distortion at 1 kHz
0.7% (stereo),
0.5% (mono)
Separation
35 dB at 1 kHz
Frequency response
30 – 15,000 Hz
SPECIFICATIONS
Photo: CDX-C6750
AM
Tuning range
US, Canadian model:
530 – 1,710 kHz
E model:
AM tuning interval:
9 kHz/10 kHz switchable
531 – 1,602 kHz
(at 9 kHz step)
530 – 1,710 kHz
(at 10 kHz step)
Antenna terminal
External antenna connector
Intermediate frequency 10.7 MHz/450 kHz
Sensitivity
30
µ
V
Power amplifier section
Outputs
Speaker outputs
(sure seal connectors)
Speaker impedance
4 – 8 ohms
Maximum power output 40 W
×
4 (at 4 ohms)
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